Trichothecenes, Type B

**Definition:** A subclass of Trichothecene derivatives that include the 12,13-epoxytrichothec-9-ene structure with a keto (carbonyl) function at C-8.

**Tree numbers:** - D02.455.849.765.850.975 - D04.345.891.963 - D23.946.587.933.975

**Synonyms:** - Type B Trichothecenes